1990 Audi 100 Q&A

1990 Audi 100 Question: where is the maintenance port for the a/c recharge?

I looked online but couldn't find a simple illustration of the engine with lined labels or something similar. -
Answer 1
One is on the low pressure side line the other is on the high pressure side line. Check by condensor, might be hidden by grille. -
Comment 1
Ok, thanks ziptie12. Ill take another look. -
Answer 2
follow the a/c lines, you should find a schrader type valve or a quick disconnect valve... -
Comment 1
Thanks. I'll check it out again tomorrow. -